Light pollution has worsened worldwide in last 5 years, with LED lights implicated

People are losing their view of the night sky all across the globe. 

A sweeping new study analyzing five years of satellite data reveals that nights are growing brighter around the world as cities switch to more energy efficient LEDs. 

The new study, published in the journal Science Advances, shows that global light pollution has increased by about 2 percent per year from 2012 to 2016. This increase is important to document, since a range of health-related issues for wildlife and even humans have been traced to light pollution.

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